Personalized Aviation Engineer Funny Job Gift T-Shirt. Aviation Engineer T-Shirt - Silver has occupation humor quote that says There are two kinds of people in this world and being an Aviation Engineer is better than both of them. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.